Vehicle Control System Optimizing Fuel Reduction via Communication Data Constraints

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Solution Overview

Problem

The challenge lies in balancing the communication data amount and the accuracy of vehicle control, as the data amount allowed for communication varies by region and carrier, affecting the feasibility of analyzing and transmitting vehicle information for efficient fuel reduction commands.

Innovation Solution

A vehicle control method that acquires communication data amount information, predicts traveling routes, derives fuel consumption based on other vehicles' states, generates and regulates fuel reduction commands based on calculated accuracy, and selects cost-effective communication carriers to optimize fuel reduction while considering data limitations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the data amount of vehicle information uploaded to the center is increased to improve control accuracy, then the accuracy of vehicle control is improved, but the communication data amount increases leading to higher communication costs

Engineering Contradiction:
Improveaccuracy of vehicle controlVSAvoidcommunication data amount
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The patent extracts and transmits only the essential vehicle information needed for control decisions rather than uploading all vehicle data to the center. This selective extraction maintains control accuracy while significantly reducing communication data amount and associated costs.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent implements partial action by transmitting a subset of vehicle information that is sufficient for accurate control decisions. Rather than uploading complete vehicle data, only the necessary partial information is communicated, optimizing the balance between control accuracy and communication cost.

Inventive Principle:
Principle #16Partial or excessive action

2Quantity of substance

If the data amount of vehicle information uploaded to the center is reduced to decrease communication costs, then the communication cost is reduced, but the accuracy of vehicle control deteriorates

Engineering Contradiction:
Improvecommunication data amountVSAvoidaccuracy of vehicle control
Core Design Contradiction:
Quantity of substanceVSMeasurement precision

Solution Approach 1:

The patent changes the parameters of information transmission by identifying and transmitting only the critical parameters needed for control decisions. This parameter selection approach reduces communication data amount while maintaining sufficient control accuracy through intelligent parameter filtering.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies local quality by treating different vehicle information parameters differently - some parameters are transmitted in detail while others are summarized or omitted entirely. This differential treatment optimizes the balance between data completeness and communication efficiency.

Inventive Principle:
Principle #3Local quality

3Measurement precision

If more vehicle information is collected to improve fuel consumption prediction accuracy, then the accuracy of fuel consumption prediction is improved, but the communication data amount and cost increase

Engineering Contradiction:
Improveaccuracy of fuel consumption predictionVSAvoidcommunication data amount
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The patent performs preliminary action by pre-processing vehicle information locally to extract only the data elements necessary for fuel consumption prediction. This preliminary filtering reduces the data volume that needs to be transmitted while ensuring that all critical information for accurate prediction is included.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3412498B1Control method for vehicle, information processing device, and vehicle control system
Publication Date: 2023.04.12 TOYOTA JIDOSHA KK
  • EP3412498B1 patent drawingFigure 1
  • EP3412498B1 patent drawingFigure 2~3
  • EP3412498B1 patent drawingFigure 4

AI summary

A control method for a vehicle (200) which is executable by at least one information processing device (100) including a communication unit (190), includes: collecting vehicle information from the vehicle (200) in a range of a communication data amount or a communication frequency that is allowed in communication with the vehicle (200), based on information about the communication data amount or the communication frequency; and calculating an accuracy of control of the vehicle (200) based on an information amount of the collected vehicle information; and producing a control command based on the calculated accuracy.